Hello,
I'm porting my uClinux ARM7TDMI distribution from 20070130 to
20080808-20090520. I also change ARM cross compiler from 3.4.4 to eabi
4.3.2. I enable EABI and OABI support in kernel and also uClibc is build
with EABI support.
I already ported linux kernel to 2.6.29 and it seems working, but I have
strange problems in filesystem. As soon as romfs mounts, I receive
following error:
...
RAMDISK: romfs filesystem found at block 0
RAMDISK: Loading 259KiB [1 disk] into ram disk... done.
VFS: Mounted root (romfs filesystem) readonly on device 1:0.
Freeing init memory: 80K
BINFMT_FLAT: ROM mapping of file (we hope)
BINFMT_FLAT: Allocated data+bss+stack (30796 bytes): a29a0004
p=a29a7ffc
start_thread(regs=0xa3815f48, entry=0xa39d0044, start_stack=0xa29a7fb0)
Unhandled fault: vector exception (0x800) at 0x00000000
init[1] killed because of sig - 11
STACK DUMP:
0xa29a7fa0: 00000000 00000028 a39dadcc 00000000 a29a7fc0
Pid: 1, comm: init
CPU: 0 Not tainted (2.6.29-uc0 #120)
PC is at 0xa39d6228
LR is at 0xa29a7fc8
pc : [<a39d6228>] lr : [<a29a7fc8>] psr: 00000010
sp : a29a7fa0 ip : e59ff014 fp : 00000000
r10: 00000001 r9 : 00000000 r8 : 00000000
r7 : a29a7fc0 r6 : 000067e4 r5 : a000e240 r4 : 000067e4
r3 : a39dadbc r2 : 00000000 r1 : a29a7fc0 r0 : a39d0dd8
Flags: nzcv IRQs on FIQs on Mode USER_32 ISA ARM Segment kernel
[<a001e1c8>] (show_regs+0x0/0x50) from [<a008b574>]
(do_coredump+0x120/0x9cc)
r5:a3815e11 r4:00000001
[<a008b454>] (do_coredump+0x0/0x9cc) from [<a0046af8>]
(get_signal_to_deliver+0x354/0x3a8)
[<a00467a4>] (get_signal_to_deliver+0x0/0x3a8) from [<a001f514>]
(do_signal+0x58/0x488)
[<a001f4bc>] (do_signal+0x0/0x488) from [<a001f974>]
(do_notify_resume+0x30/0x34)
[<a001f944>] (do_notify_resume+0x0/0x34) from [<a001cdac>]
(work_pending+0x1c/0x20)
init used greatest stack depth: 5484 bytes left
Kernel panic - not syncing: Attempted to kill init!
I verify init exectuable and it seems ok:
[li...@localhost bin]$ arm-uclinuxeabi-flthdr init
init
Magic: bFLT
Rev: 4
Build Date: Mon Jun 8 08:36:54 2009
Entry: 0x44
Data Start: 0xaed0
Data End: 0xbd40
BSS End: 0x116e0
Stack Size: 0x1000
Reloc Start: 0xbd40
Reloc Count: 0x17
Flags: 0x2 ( Has-PIC-GOT )
I tried to use my older filesystem build with previous uclinux
distribution and gcc and it works perfectly fine. That is the reason why
I think there is something wrong with file system or uClibc
configuration.
However I am stuck, and any help, comments, questions, suggestions would
be appreciated !
Regards,
Ales
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